It's a chinese bl novel where the mc dies because of poison, at first the mc was afraid of the ml and didn’t want to talk or interact with the ml. When he died he was watching the ml rise to the throne and took revenge and then the ml killed himself using the hairpin of the mc or something. Then the mc went back in time where they got married to the ml and since the mc knew the future and that the ml truly loves him the mc accepted the ml’s hand. Then they had twins due to the mermaid ancestors of the mc. They even call eachother as “wangfei” and “wangye”. Or the ml would call the mc as “nounou”. The mc would also tell the ml about the future by dreams
It's a chinese bl novel where the mc dies because of poison, at first the mc was afraid of the ml and didn’t want to talk or interact with the ml. When he died he was watching the ml rise to the throne and took revenge and then the ml killed himself using the hairpin of the mc or something. Then the mc went back in time where they got married to the ml and since the mc knew the future and that the ml truly loves him the mc accepted the ml’s hand. Then they had twins due to the mermaid ancestors of the mc. They even call eachother as “wangfei” and “wangye”. Or the ml would call the mc as “nounou”. The mc would also tell the ml about the future by dreams